Comparing Investments This calculator compares the net gain of a taxable investment versus a tax-favored one. You are viewing this website at a small screen resolution which doesn't support calculators. Click here to view this calculator. Share | Have A Question About This Topic? Name Email Address Message Thank you! Oops! Related Content Keeping Summer Safe: Pool and Spa Safety Tips Each year hundreds of children die or are injured in pool accidents. By taking seven steps, you can keep your pool safe. Driving Interest on Interest with the Next Generation Maybe your middle schooler is already hip to saving. Many kids this age do chores and earn allowances, perhaps putting part of what they earn into a savings account for college.... What Do Your Taxes Pay For? Here's a breakdown of how the federal government spends your tax money.